I made a similar transition in 1998, although I was probably not as senior as you - SEO / HEO with 10 years' experience in DSS and derivatives.I agree that the grass is not always greener but sometimes one needs "jam today" rather than worry about pensions tomorrow and I have never regretted my choice.My route to consultancy and one I would recommend, was via a secondment to a consulting company. I "chose" one with which I was familiar and which did a great deal of work with my department. Contrary to my expectations, they treated me as a regular employee immediately and valued my input, unsurprisingly, into how to increase their business with my dept and the public sector in general.The key for me was knowing that their product and services were 1st rate and purchasing organisations would be glad of their choice.When my secondment ended, I joined the co as a full time employee and stayed for 2.5 years in all. I then moved to other companies - 2 years and 4 years - and I'm just about to move again.My salary is nearly 3x what it was when I left the service although I have no idea what it would have been if I stayed. It was never about the money - although that is welcome. I felt jaded, bored and trapped inside a huge organisation that had no idea how to change itself, nor whether it really wanted to.I know that PKF have both taken and sent people on secondment to Treasury and DTI, although their consultancy is based only in London. If your dept thinks they'll lose you to boredom etc they may well agree to let you out on loan for a while and you can see what you think of consultancy etc 1st hand. I went to a very small co - 4 or 5 of us, PKF is 30ish - there must be others out there, especially if your employing dept would "part fund" you.Good luckPanter